add jsesc options support (#8143)

packages/babel-generator/src/generators/types.js

@@ -132,10 +132,7 @@ export function StringLiteral(node: Object) {
   }
 
   // ensure the output is ASCII-safe
-  const opts = {
-    quotes: "double",
-    wrap: true,
-  };
+  const opts = this.format.jsescOption;
   if (this.format.jsonCompatibleStrings) {
     opts.json = true;
   }

packages/babel-generator/src/index.js

@@ -53,6 +53,11 @@ function normalizeOptions(code, opts): Format {
       base: 0,
     },
     decoratorsBeforeExport: !!opts.decoratorsBeforeExport,
+    jsescOption: {
+      quotes: "double",
+      wrap: true,
+      ...opts.jsescOption,
+    },
   };
 
   if (format.minified) {